Which of these describes Sinus Arrhythmia?

Select one option

Rate

60-100

Regularity

Irregular

P Waves

Upright and uniform

PR Interval

0.12-0.20

QRS

0.08-0.12

Rate

110-250

Regularity

Regular

P Waves

None

PR Interval

None

QRS

> 0.12; bizarre